diff --git a/src/lib/seam/connect/models/acs/acs-credentials/pending-mutations.ts b/src/lib/seam/connect/models/acs/acs-credentials/pending-mutations.ts
index cfec6d83..dd119aa2 100644
--- a/src/lib/seam/connect/models/acs/acs-credentials/pending-mutations.ts
+++ b/src/lib/seam/connect/models/acs/acs-credentials/pending-mutations.ts
@@ -32,9 +32,31 @@ const deleting = common_pending_mutation
     'Seam is in the process of pushing a credential deletion to the integrated access system.',
   )
 
+const updating_user_assignment = common_pending_mutation
+  .extend({
+    mutation_code: z
+      .literal('updating_user_assignment')
+      .describe(
+        'Mutation code to indicate that Seam is in the process of assigning or unassigning the credential to a user on the integrated access system.',
+      ),
+    from: z
+      .object({
+        acs_user_id: z.string().uuid().nullable().describe('Previous user ID.'),
+      })
+      .describe('Previous user assignment.'),
+    to: z
+      .object({
+        acs_user_id: z.string().uuid().nullable().describe('New user ID.'),
+      })
+      .describe('New user assignment.'),
+  })
+  .describe(
+    'Seam is in the process of assigning or unassigning the credential to a user on the integrated access system.',
+  )
+
 export const acs_credential_pending_mutations = z.discriminatedUnion(
   'mutation_code',
-  [creating, deleting],
+  [creating, deleting, updating_user_assignment],
 )
 
 export type AcsCredentialPendingMutation = z.infer<
@@ -44,6 +66,7 @@ export type AcsCredentialPendingMutation = z.infer<
 const _acs_credential_pending_mutations_map = z.object({
   creating: creating.optional().nullable(),
   deleting: deleting.optional().nullable(),
+  updating_user_assignment: updating_user_assignment.optional().nullable(),
 })
 
 export type AcsCredentialPendingMutationsMap = z.infer<
diff --git a/src/lib/seam/connect/models/acs/acs-users/pending-mutations.ts b/src/lib/seam/connect/models/acs/acs-users/pending-mutations.ts
index 28df3762..82301775 100644
--- a/src/lib/seam/connect/models/acs/acs-users/pending-mutations.ts
+++ b/src/lib/seam/connect/models/acs/acs-users/pending-mutations.ts
@@ -179,6 +179,36 @@ const deferring_group_membership_update_mutation = common_pending_mutation
     'A scheduled access group membership change is pending for this user.',
   )
 
+const updating_credential_assignment_mutation = common_pending_mutation
+  .extend({
+    mutation_code: z
+      .literal('updating_credential_assignment')
+      .describe(
+        'Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+      ),
+    from: z
+      .object({
+        acs_credential_id: z
+          .string()
+          .uuid()
+          .nullable()
+          .describe('Previous credential ID.'),
+      })
+      .describe('Previous credential assignment.'),
+    to: z
+      .object({
+        acs_credential_id: z
+          .string()
+          .uuid()
+          .nullable()
+          .describe('New credential ID.'),
+      })
+      .describe('New credential assignment.'),
+  })
+  .describe(
+    'Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+  )
+
 export const acs_user_pending_mutations = z.discriminatedUnion(
   'mutation_code',
   [
@@ -190,6 +220,7 @@ export const acs_user_pending_mutations = z.discriminatedUnion(
     updating_suspension_state_mutation,
     updating_group_membership_mutation,
     deferring_group_membership_update_mutation,
+    updating_credential_assignment_mutation,
   ],
 )
 
@@ -210,6 +241,10 @@ const _acs_user_pending_mutations_map = z.object({
     .record(z.string().uuid(), deferring_group_membership_update_mutation)
     .optional()
     .nullable(),
+  updating_credential_assignment: z
+    .record(z.string().uuid(), updating_credential_assignment_mutation)
+    .optional()
+    .nullable(),
   updating_suspension_state: updating_suspension_state_mutation
     .optional()
     .nullable(),
diff --git a/src/lib/seam/connect/openapi.ts b/src/lib/seam/connect/openapi.ts
index f4de4541..428e16e8 100644
--- a/src/lib/seam/connect/openapi.ts
+++ b/src/lib/seam/connect/openapi.ts
@@ -5716,6 +5716,62 @@ const openapi: OpenAPISpec = {
                   ],
                   type: 'object',
                 },
+                {
+                  description:
+                    'Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+                  properties: {
+                    created_at: {
+                      description:
+                        'Date and time at which the mutation was created.',
+                      format: 'date-time',
+                      type: 'string',
+                    },
+                    from: {
+                      description: 'Previous credential assignment.',
+                      properties: {
+                        acs_credential_id: {
+                          description: 'Previous credential ID.',
+                          format: 'uuid',
+                          nullable: true,
+                          type: 'string',
+                        },
+                      },
+                      required: ['acs_credential_id'],
+                      type: 'object',
+                    },
+                    message: {
+                      description: 'Detailed description of the mutation.',
+                      type: 'string',
+                    },
+                    mutation_code: {
+                      description:
+                        'Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+                      enum: ['updating_credential_assignment'],
+                      type: 'string',
+                    },
+                    to: {
+                      description: 'New credential assignment.',
+                      properties: {
+                        acs_credential_id: {
+                          description: 'New credential ID.',
+                          format: 'uuid',
+                          nullable: true,
+                          type: 'string',
+                        },
+                      },
+                      required: ['acs_credential_id'],
+                      type: 'object',
+                    },
+                  },
+                  required: [
+                    'created_at',
+                    'message',
+                    'mutation_code',
+                    'from',
+                    'to',
+                  ],
+                  type: 'object',
+                },
               ],
             },
             type: 'array',
@@ -29801,6 +29857,62 @@ const openapi: OpenAPISpec = {
                   ],
                   type: 'object',
                 },
+                {
+                  description:
+                    'Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+                  properties: {
+                    created_at: {
+                      description:
+                        'Date and time at which the mutation was created.',
+                      format: 'date-time',
+                      type: 'string',
+                    },
+                    from: {
+                      description: 'Previous credential assignment.',
+                      properties: {
+                        acs_credential_id: {
+                          description: 'Previous credential ID.',
+                          format: 'uuid',
+                          nullable: true,
+                          type: 'string',
+                        },
+                      },
+                      required: ['acs_credential_id'],
+                      type: 'object',
+                    },
+                    message: {
+                      description: 'Detailed description of the mutation.',
+                      type: 'string',
+                    },
+                    mutation_code: {
+                      description:
+                        'Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system.',
+                      enum: ['updating_credential_assignment'],
+                      type: 'string',
+                    },
+                    to: {
+                      description: 'New credential assignment.',
+                      properties: {
+                        acs_credential_id: {
+                          description: 'New credential ID.',
+                          format: 'uuid',
+                          nullable: true,
+                          type: 'string',
+                        },
+                      },
+                      required: ['acs_credential_id'],
+                      type: 'object',
+                    },
+                  },
+                  required: [
+                    'created_at',
+                    'message',
+                    'mutation_code',
+                    'from',
+                    'to',
+                  ],
+                  type: 'object',
+                },
               ],
             },
             type: 'array',
diff --git a/src/lib/seam/connect/route-types.ts b/src/lib/seam/connect/route-types.ts
index c46ffc01..aa0f5892 100644
--- a/src/lib/seam/connect/route-types.ts
+++ b/src/lib/seam/connect/route-types.ts
@@ -21974,6 +21974,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -30821,6 +30839,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -31134,6 +31170,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -31435,6 +31489,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -31980,6 +32052,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -32277,6 +32367,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -109380,6 +109488,24 @@ export type Routes = {
                   /** Whether the user is scheduled to be added to or removed from the access group. */
                   variant: 'adding' | 'removing'
                 }
+              | {
+                  /** Date and time at which the mutation was created. */
+                  created_at: string
+                  /** Detailed description of the mutation. */
+                  message: string
+                  /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                  mutation_code: 'updating_credential_assignment'
+                  /** Previous credential assignment. */
+                  from: {
+                    /** Previous credential ID. */
+                    acs_credential_id: string | null
+                  }
+                  /** New credential assignment. */
+                  to: {
+                    /** New credential ID. */
+                    acs_credential_id: string | null
+                  }
+                }
             )[]
           | undefined
         /** The last time an internal sync job completed for this access system user. */
@@ -112327,6 +112453,24 @@ export type Routes = {
                         /** Whether the user is scheduled to be added to or removed from the access group. */
                         variant: 'adding' | 'removing'
                       }
+                    | {
+                        /** Date and time at which the mutation was created. */
+                        created_at: string
+                        /** Detailed description of the mutation. */
+                        message: string
+                        /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                        mutation_code: 'updating_credential_assignment'
+                        /** Previous credential assignment. */
+                        from: {
+                          /** Previous credential ID. */
+                          acs_credential_id: string | null
+                        }
+                        /** New credential assignment. */
+                        to: {
+                          /** New credential ID. */
+                          acs_credential_id: string | null
+                        }
+                      }
                   )[]
                 | undefined
               /** The last time an internal sync job completed for this access system user. */
@@ -114422,6 +114566,24 @@ export type Routes = {
                         /** Whether the user is scheduled to be added to or removed from the access group. */
                         variant: 'adding' | 'removing'
                       }
+                    | {
+                        /** Date and time at which the mutation was created. */
+                        created_at: string
+                        /** Detailed description of the mutation. */
+                        message: string
+                        /** Mutation code to indicate that Seam is in the process of assigning or unassigning a credential to the user on the integrated access system. */
+                        mutation_code: 'updating_credential_assignment'
+                        /** Previous credential assignment. */
+                        from: {
+                          /** Previous credential ID. */
+                          acs_credential_id: string | null
+                        }
+                        /** New credential assignment. */
+                        to: {
+                          /** New credential ID. */
+                          acs_credential_id: string | null
+                        }
+                      }
                   )[]
                 | undefined
               /** The last time an internal sync job completed for this access system user. */